CLM920_AC5 Mini PCIE LTE Module Hardware Manual
Shanghai Yuge Information Technology co., LTD
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low
SIM card is pulled out, UIM_DET is low
Figure 3-14 SIM card hot swap detection
It is recommended to add a diode protection next to the UIM _DET pin measured by the
module.
When using normally closed SIM or normally open SIM card, the detection function can
be set by AT command.
If set AT + HOSCFG = 1,1 SIM card status is high, set AT + HOSCFG = 1,0 SIM card status
is low, set AT + HOSCFG = 0,0 SIM card hot swap function is off.
3.8 General GPIO interface
Table 3-11 General GPIO pin definition
Pin
Signal name
I/O
High value
Description
19
AP_READY
* Reserved
20
W_DISABLE#
DI
1.8V
Turn off the radio frequency function
32
WAKEUP_IN
DI
1.8V
Module sleep control
CLM920_AC5 Mini PCIE module supports sleep wake-up function. WAKEUP_IN is the host
control module sleep wake up, you need to set AT ^ RPTFLAG = 0 to enable the wake up
function (need to be valid every time you turn on the settings)